<!-- 海报 -->
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
  <ol class="carousel-indicators align-items-center">
    <li
      data-target="#carouselExampleIndicators"
      data-slide-to="0"
      class="active"
    ></li>
    <li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
  </ol>
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="./imgs/banner01.jpg" class="d-block w-100" alt="图片加载失败" />
    </div>
    <div class="carousel-item">
      <img src="./imgs/banner02.jpg" class="d-block w-100" alt="图片加载失败" />
    </div>
  </div>
  <button
    class="carousel-control-prev"
    type="button"
    data-target="#carouselExampleIndicators"
    data-slide="prev"
  >
    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
    <span class="sr-only">Previous</span>
  </button>
  <button
    class="carousel-control-next"
    type="button"
    data-target="#carouselExampleIndicators"
    data-slide="next"
  >
    <span class="carousel-control-next-icon" aria-hidden="true"></span>
    <span class="sr-only">Next</span>
  </button>
</div>

<div class="container">
  <h1>这里是首页内容</h1>
</div>
